Peter Cushing

Winston Smith

Yvonne Mitchell

Julia

Donald Pleasence

Syme

Arnold Diamond

Emanuel Goldstein

André Morell

O'Brien

Wilfrid Brambell

Old Man / Thin Prisoner

Leonard Sachs

Mr. Charrington

Sydney Bromley

Waiter

Nigel Kneale

Telescreen Announcer (voice)

Peter Sallis

Man (uncredited)